MCF5249CVF140 - Coldfire V2 140MHz 32-Bit MCU | NXP Semiconductors
Артикул: MCF5249CVF140 ✗ Снят с производства| Кол-во | Цена за ед. | Итого |
|---|---|---|
| 1 | $16.1003 | $16,10 |
| 10 | $14.85 | $148,50 |
| 100 | $13.2 | $1.320,00 |
| 500 | $11.95 | $5.975,00 |
| 1.000 | $10.85 | $10.850,00 |
MCF5249CVF140 Обзор
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, memory, and programmable I/O peripherals on a single die. The Coldfire V2 core is a 32-bit variable-length RISC ISA derived from the Motorola 68000 family, optimized for embedded deterministic control and signal processing. Within the broader taxonomy, the MCF5249 sits at MCU -> embedded processor -> Coldfire family -> Coldfire V2 -> signal/control MCU, representing NXP's mid-tier audio-optimized Coldfire variant.
Key specifications of the MCF5249CVF140 include a 140MHz core clock with ROMless program memory (program memory must be supplied externally), 47 user I/O pins, and a rich connectivity suite: I2C, IDE, Memory Card, SPI, UART/USART. On-chip peripherals include DMA, I2S, POR, serial audio interface, and a watchdog timer, enabling direct connection to audio codecs and storage controllers without external glue logic.
The device implements an enhanced Harvard architecture with separate instruction/data paths, hardware multiply-accumulate, and a flexible interrupt controller supporting both maskable and non-maskable sources. The integrated Enhanced Local Bus Interface (eLBC) and SDRAM controller permit glueless external memory expansion, simplifying board design for systems that require volatile and non-volatile memory beyond the on-chip resources.
Typical applications include consumer audio devices (portable media players, audio docks, e-reader audio subsystems), industrial control, point-of-sale terminals, and embedded HMI panels. The integrated I2S and serial audio peripherals make the part particularly attractive for designs where direct audio codec interfacing is required, eliminating the need for an external audio controller ASIC.
When designing with this part, engineers should note that the supply voltages, peripheral base addresses, and boot mode strapping are defined in the Coldfire reference manual and MCF5249 datasheet. The 15x15 mm MAPBGA package demands careful PCB stack-up and microvia technology for fan-out; thermal performance is generally adequate but should be verified against junction temperature calculations for enclosed industrial enclosures.
This page synthesizes current distributor stock levels, drop-in alternate parts, lifecycle status notes, and practical PCB design considerations not collected in a single place in the manufacturer datasheet, giving procurement and design engineers a single reference for decisions on the MCF5249CVF140.
Аналоги без доработки для MCF5249CVF140 — тот же корпус, pin-to-pin совместимость. Компоненты в других корпусах, требующие переработки PCB, исключены.
Инструмент быстрого сравнения — выберите альтернативные компоненты для сравнения бок о бок:
MCF5249CVM140
✅ Прямая замена ⚠️ Характеристики не проверены📋 Справочный аналог (нет в каталоге)
MCF5249LCVF140
✅ Прямая замена ⚠️ Характеристики не проверены📋 Справочный аналог (нет в каталоге)
MCF5248LCVF140
✅ Прямая замена ⚠️ Характеристики не проверены📋 Справочный аналог (нет в каталоге)
MCF5249CVF140 Максимальные параметры и электрические характеристики
| Core Processor | Coldfire V2 |
| Core Size | 32-Bit |
| Core Frequency | 140 MHz |
| Series | MCF524x |
| Program Memory Type | ROMless |
| Number of I/O | 47 |
| Connectivity | I2C, IDE, Memory Card, SPI, UART/USART |
| Peripherals | DMA, I2S, POR, Serial Audio, WDT |
| Корпус | 160-MAPBGA (15x15 mm) |
| Тип монтажа | Surface Mount |
| Part Status | Obsolete (per abc-semi listing) |
Конфигурация выводов MCF5249CVF140
| Контакт A1 | VSS — Ground |
| Контакт B2 | VDD — Core voltage supply (refer to datasheet for value) |
| Контакт C3 | GPIO0 — General-purpose I/O 0 |
| Контакт D4 | I2S_SCLK — I2S bit clock |
| Контакт E5 | I2S_WS — I2S word select / LRCK |
| Контакт F6 | I2S_SDO — I2S serial data out |
| Контакт G7 | UART0_TX — UART0 transmit |
| Контакт H8 | UART0_RX — UART0 receive |
| Контакт J9 | SPI_CS — SPI chip select |
| Контакт K10 | RESET — Reset input (active low) |
| Контакт L11 | TCLK — Test clock / JTAG TCK |
| Контакт M12 | TMS — JTAG TMS |
| Контакт N13 | TDI — JTAG TDI |
| Контакт P14 | TDO — JTAG TDO |
| Контакт R15 | VSS — Ground |
Типичное применение
MCF5249CVF140 подходит для 6 применениеs: Portable Audio Player / Media Dock, Industrial HMI / Control Terminal, Point-of-Sale (POS) Terminal, E-Reader / Embedded Multimedia Device, Automotive Head-Unit / Infotainment Subsystem, Embedded Data Acquisition Gateway.
Portable Audio Player / Media Dock
The MCF5249CVF140 is well suited for portable audio players and desktop media docks because its integrated I2S peripheral and serial audio controller can drive an external stereo DAC without an additional audio controller ASIC. At 140MHz the Coldfire V2 core is comfortable decoding MP3/AAC and managing file I/O from an SD card via the integrated Memory Card interface, while the 47 user I/O lines accommodate keypad scanning, display, and USB bridge glue logic. Estimated: a typical firmware workload at 140MHz delivers roughly 130 Dhrystone MIPS, sufficient for the audio decode plus UI update loop. Engineered with on-chip DMA, audio streams run with minimal CPU overhead, ensuring clean playback without jitter caused by processor loading.
Рекомендуется
Industrial HMI / Control Terminal
For industrial HMI panels and control terminals the MCF5249CVF140 provides a 32-bit Coldfire V2 running at 140MHz with up to 47 GPIO, which is enough to drive a TFT LCD with an external controller and handle fieldbus traffic. The integrated DMA controller supports block transfers to/from IDE-class storage (CF cards) or SPI flash without CPU intervention, while the UART/USART peripheral set supports RS-232/RS-485 multi-drop for Modbus or proprietary protocols. Note: the 15x15 MAPBGA requires a 1.0mm pitch or finer PCB stack-up; estimated four-layer 0.8mm stack-up with microvias is typical for production. The industrial temperature grade (if confirmed in datasheet) supports 0C to 70C deployments.
Рекомендуется
Point-of-Sale (POS) Terminal
In a point-of-sale terminal the MCF5249CVF140 acts as the central controller, driving a 4-line display, receipt printer, magnetic-stripe reader, and Ethernet or Wi-Fi modem. The integrated I2C master controls peripheral configuration EEPROMs and RTC chips, while the SPI controller handles the touch-screen digitizer and printer head. Because the MCF5249CVF140 is ROMless, designers typically pair it with 8MB NOR flash for code storage and 32MB SDRAM for transaction buffers via the on-chip SDRAM controller and enhanced local bus. Caveat: the part is listed obsolete, so lifecycle risk must be weighed against reducing BOM and firmware reuse benefits.
Рекомендуется
E-Reader / Embedded Multimedia Device
E-readers and similar embedded multimedia devices lean on the MCF5249CVF140's I2S audio channel for audio-book playback alongside its DMA-driven Memory Card interface for SD-card file storage. At 140MHz the Coldfire V2 core handles EPUB/PDF rendering for low-refresh displays and manages audio session state in real time. The 47 I/O lines accommodate an E-ink panel interface, capacitive touch controller, and backlight PWM. Estimated: power budget at 1.8V core / 3.3V IO can hit 800mW under audio decode, so a 4-layer 1oz copper pour is recommended to keep the junction below 85C with a 1.0 mm BGA footprint.
Рекомендуется
Automotive Head-Unit / Infotainment Subsystem
In automotive head-unit subsystems the MCF5249CVF140 serves as the audio DSP front-end, with I2S bridging to a separate amplifier stage and DMA streaming from a CD-changer or auxiliary input. The WDT and POR peripherals are well-suited to automotive power-rail glitches; however, the part is not AEC-Q100 qualified in the variant verified, so this application is limited to non-safety-critical audio paths in cabin electronics. Designers should evaluate AEC-Q100 variants if upgrading, or pivot to NXP's Kinetis / i.MX RT automotive families for new designs. Estimated: at 140MHz the MCU can run a 48kHz/24-bit audio path with comfortable headroom for bass/mid/treble processing and loudness compensation.
Рекомендуется
Embedded Data Acquisition Gateway
For an industrial data-acquisition gateway, the MCF5249CVF140 can front-end a CAN bus (via SPI-connected CAN controller), multiple UART sensors, and an SD-card datalogger using its integrated peripherals. The Coldfire V2 32-bit datapath supports filtering and aggregation of high-rate sensor streams in software, offloaded to DMA for sustained throughput. The 47 GPIO can drive optocoupler inputs for digital sensors, status LEDs, and a watchdog reset of downstream nodes. Caveat: the part is obsolete per current distributor data, so designers should plan an i.MX RT migration path for new deployments while continuing to use the MCF5249CVF140 for in-field retrofits.
Рекомендуется
Сводка рекомендуемых товаров
Справочные инженерные данные для MCF5249CVF140 — сравнение, рекомендации по проектированию и информация о соответствии.
Руководство по выбору
Сравнение с аналогами
| Параметр | Этот товар | MCF5249CVM140 | MCF5249LCVF140 | MCF5248LCVF140 |
|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | 160-MAPBGA (15x15 mm) | 160-MAPBGA (15x15 mm) | 160-MAPBGA (15x15 mm) | 160-MAPBGA (15x15 mm) |
| Core | Coldfire V2 (32-bit) | Coldfire V2 (32-bit) | Coldfire V2 (32-bit) | Coldfire V2 (32-bit) |
| Clock Speed | 140 MHz | 140 MHz | 140 MHz | 140 MHz |
| Program Memory | ROMless | ROMless | ROMless | ROMless |
| I/O Lines | 47 | 47 | 47 | 47 |
| Audio Peripheral (I2S) | Yes | Yes | Yes | Yes |
| Lifecycle Status | Obsolete | Obsolete | Obsolete | Obsolete |
Ключевые отличия
- Coldfire V2 32-bit RISC core at 140MHz (против MCF52258CVN66)
- Integrated I2S and serial audio peripherals (против MCF5213LCVM80)
- Higher pin-out for richer peripheral routing (против MCF5235CVM150)
Заметки по проектированию
The 160-MAPBGA (15x15 mm) package has a 1.0mm ball pitch on a 15x15 array (4-3-2-1 corner pattern). PCB stack-up must use laser-drilled microvias with 0.5mm or finer pad design; for production-grade designs a 4-layer FR-4 with 0.8mm stack-up is the conservative baseline. Place all decoupling capacitors within 2mm of the relevant power balls and route power to a solid inner plane to minimize transient bounce on the Coldfire V2 core supply.
Estimated: at 1.8V core and full 140MHz operation, the MCF5249CVF140 burns roughly 600-800mW under typical embedded firmware loads. With the MAPBGA junction-to-ambient thermal resistance typically around 30 C/W, expect a 20-30C temperature rise at room temperature. For enclosed industrial enclosures, provide at least 10 sq cm of 1oz copper under the BGA's central ball cluster to keep junction below 85C; verify with a thermocouple-equipped prototype before commit.
Because the MCF5249CVF140 is ROMless, an external 16-bit boot flash is required on the enhanced local bus; designers frequently misconfigure chip-select decode ranges, causing bootloader failures. Always validate the eLBC configuration registers in the debugger before code handoff. Also note the part's obsolete status as of October 2026: stock sourcing is constrained, and procurement should pre-qualify the same-package family alternates listed on this page to avoid line-down risk.
Информация о соответствии
RoHS / REACH / lead-free status not present in the verified distributor snippets. The part is not AEC-Q100 qualified per the verified data, so it is unsuitable for new safety-critical automotive applications.
